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T-73

Sundial: Universal Equatorial

Modern surveying compass with cover needle brake, and jeweled needle, type 31. Mounted with sights and 2 bubble levels so as to rotate within an azimuth circle. There are 3 leveling screws. Hour scale marked in Roman numerals.

"D.B. Sheahan N.Y. 1911" on base around compass.; "Calculated / by / D.B. Sheahan / N.Y. 1911." on equation-of-time scale.

brass, silvered brass, nickel

United States

	Imperial(in)		Metric(cm)
Height			21.7
Width			19.5
Depth			19
Diameter
Circumference

	Imperial(in)		Metric(cm)
Height
Width
Depth
Diameter